Widely accepted, validated and objective measures of ultrasound competency have not been established for clinical practice. Outcomes of training curricula are often based on arbitrary thresholds, such as the number of clinical cases completed. We aimed to define metrics against which competency could be measured.

中文翻译：

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无量纲平方混动：评估产科超声中经验丰富和新手探头运动的客观差异

尚未为临床实践建立广泛接受、验证和客观的超声能力测量方法。培训课程的结果通常基于任意阈值，例如完成的临床病例数。我们旨在定义可以衡量能力的指标。